3.6V-1500mAh Samsung INR18650-15M Battery
INR18650-15M
The Samsung INR18650 15M battery comes up with a nominal capacity of 1500mAh, the voltage of 3.6V .
This is an absolutely excellent cell for anyone seeking high performance 18650 cells.
HIGHLIGHTS OF SAMSUNG INR18650 15M
Nominal capacity; 1500mAh
Minimum capacity: 1450mAh
Charging voltage: 4.2V +/-0.05V
Nominal voltage: 3.6V
Charging method: CC-CV with 100mA cut-off
Charging current: Standard: 0.75A, Rapid: 4A
Maximum discharge current: 23A
Discharge cut-off: 2.5V
Cycle life: 250 cycles to 60% at 23A discharge and 0.75A charge.
Operating temperature: Charge: 0°C ~ 50°C, discharge: -20°C ~ 75°C
Storage temperature: 1 month: -30°C ~ 60°C, 3 months: -30°C ~ 45°C, 1 year: -20°C ~ 25°C
MIND
Do not incinerate;
Do not disassemble;
Do not short positive and negative contacts;
Do not expose to heat;
Do not completely discharge;
Do not use force to install a li-ion battery;
Use only high quality battery charger;
Charge fully before first use;
Store in cold and dry place at approximately nominal voltage
APPEARANCE
There shall be no such defects as deep scratch, crack, rust, discoloration or leakage, which may adversely affect the commercial value of the cell.
Diameter : 18.15 ± 0.10mm
Diameter is defined as the largest data value measured on the “A” area of a cylindrical cell.
Height : 64.85 ±0.15mm
Nominal Specification of SAMSUNG 18650-15M
| Item | Specification |
|---|---|
| Nominal Capacity | 1,500mAh (300mA, 2.5V discharge) |
| Minimum Capacity | 1,450mAh (1C disch., 2.5V discharge) |
| Charging Voltage | 4.2 ±0.05V |
| Nominal Voltage | 3.6V |
| Charging Method | CC-CV(100mAh cut-off) |
| Charging Current | Standard charge: 750mA |
| Rapid charge:4000mA | |
| Charging Time | Standard charge: 15min |
| Rapid charge: 40min (at 25℃) | |
| Max. Discharge Current | 23A(at 25℃), 60% at 250 cycle |
| Discharge Cut-off Voltage | 2.5V |
| Cell Weight | 45.0g max |
| Operating temperature(surface temperature) | Charge : 0 to 50℃ (recommended recharge release < 45℃) |
| Discharge: -20 to 75℃ (recommended re-discharge release < 60℃) | |
| Cell Dimension | Height : 64.85 ±0.15mm |
| Diameter : 18.15 ± 0.10mm | |
| Operating Temperature | 1 year: -20~25℃ |
| 3 months : -20~45℃ | |
| 1 month : -20~60℃ |
Note: If the cell is kept as ex-factory status (50% of charge), the capacity recovery rate is more than 80%.
-Characteristics of SAMSUNG INR18650-15M-
Standard Charge
This “Standard charge” means charging the cell with charge current 750mA and constant voltage 4.2V 100mA cut-off at 25℃.
Standard Discharge Capacity
The standard discharge capacity is the initial discharge capacity of the cell, which is measured with discharge current of 1500mA with 2.5V cut-off at 25℃ within 1hour after the standard charge.
Standard discharge capacity ≥ 1,450mAh
Standard rated discharge capacity
The standard rated discharge is the discharge capacity of the cell, which is measured with discharge current of 10A with 2.5V cut-off at 25℃ within 1hour after the standard charge.
Standard rated discharge capacity ≥ 1,450mAh
Initial internal impedance
Initial internal impedance measured at AC 1kHz after Standard charge. Initial internal impedance ≤ 25mΩ
Temperature Dependence of Discharge Capacity
Capacity comparison at each temperature, measured with discharge constant current 10A and 2.5V cut-off after the standard charge is
as follows.
| Discharge temperature | ||||
|---|---|---|---|---|
| -20℃ | -10℃ | 0°C | 25°C | 60℃ |
| 60% | 75% | 80% | 100% | 100% |
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage as an index of the Standard discharge capacity (=1450mAh) is 100%
Temperature Dependence of Charge Capacity
Capacity comparison at each temperature, measured with discharge constant current 10A and 2.5V cut-off after the standard charge is as follows.
| Charge Temperature | Discharge temperature | |||||
|---|---|---|---|---|---|---|
| 0℃ | 5℃ | 25℃ | 45℃ | 50℃ | 25℃ | |
| Relative Capacity | 80% | 90% | 100% | 95% | 95% | |
-Relative Curves about SAMSUNG INR18650-15M-
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage as an index of the Standard discharge capacity (=2550mAh) is 100%.
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